<template>
    <div>
        <el-row>
            <el-col :span="24">
                <el-form :inline="true" :model="dataForm">
                    <el-form-item label="分类">
                        <category-cascader :catelogPath.sync="catelogPath"></category-cascader>
                    </el-form-item>
                    <el-form-item label="品牌">
                        <brand-select style="width:160px"></brand-select>
                    </el-form-item>
                    <el-form-item label="状态">
                        <el-select style="width:160px" v-model="dataForm.status" clearable>
                            <el-option label="新建" :value="0"></el-option>
                            <el-option label="上架" :value="1"></el-option>
                            <el-option label="下架" :value="2"></el-option>
                        </el-select>
                    </el-form-item>
                    <el-form-item label="检索">
                        <el-input style="width:160px" v-model="dataForm.key" clearable></el-input>
                    </el-form-item>
                    <el-form-item>
                        <el-button type="primary" @click="searchSpuInfo">查询</el-button>
                    </el-form-item>
                </el-form>
            </el-col>
            <el-col :span="24">
                <spuinfo :catId="catId"></spuinfo>
            </el-col>
        </el-row>
    </div>
</template>

<script>
    //这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
    //例如：import 《组件名称》 from '《组件路径》';
    import CategoryCascader from "../common/category-cascader";
    import BrandSelect from "../common/brand-select";
    import Spuinfo from "./spuinfo";
    import PubSub from 'pubsub-js';

    export default {
        //import引入的组件需要注入到对象中才能使用
        components: {CategoryCascader, Spuinfo, BrandSelect},
        props: {},
        data() {
            //这里存放数据
            return {
                catId: 0,
                catelogPath: [],
                dataForm: {
                    status: "",
                    key: "",
                    brandId: 0,
                    catelogId: 0
                },
                catPathSub: null,
                brandIdSub: null

            };
        },
        //计算属性 类似于data概念
        computed: {},
        //监控data中的数据变化
        watch: {},
        //方法集合
        methods: {
            searchSpuInfo() {
                console.log("搜索条件", this.dataForm);
                PubSub.publish("dataForm", this.dataForm);
            }
        },
        //生命周期 - 创建完成（可以访问当前this实例）
        created() {
        },
        //生命周期 - 挂载完成（可以访问DOM元素）
        mounted() {
            this.catPathSub = PubSub.subscribe("catPath", (msg, val) => {
                this.dataForm.catelogId = val[val.length - 1];
            });
            this.brandIdSub = PubSub.subscribe("brandId", (msg, val) => {
                this.dataForm.brandId = val;
            });
        },
        beforeCreate() {
        }, //生命周期 - 创建之前
        beforeMount() {
        }, //生命周期 - 挂载之前
        beforeUpdate() {
        }, //生命周期 - 更新之前
        updated() {
        }, //生命周期 - 更新之后
        beforeDestroy() {
            PubSub.unsubscribe(this.catPathSub);
            PubSub.unsubscribe(this.brandIdSub);
        }, //生命周期 - 销毁之前
        destroyed() {
        }, //生命周期 - 销毁完成
        activated() {
        } //如果页面有keep-alive缓存功能，这个函数会触发
    };
</script>
<style>
</style>
